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How do I test if a variable is a number in Bash?

... +1 for this approach, but take care with decimals, doing this test with, by example, "1.0" or "1,0" prints "error: Not a number". – sourcerebels Apr 30 '09 at 14:30 17...
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How to add a line break in an Android TextView?

... ok figured it out: <string name="sample_string"><![CDATA[some test line 1 <br />some test line 2]]></string> so wrap in CDATA is necessary and breaks added inside as html tags share | ...
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`if __name__ == '__main__'` equivalent in Ruby

... It's handy, though, for testing things -- you can put module tests in there and run them just from the module file without any wrapper. – ebneter Feb 12 '10 at 3:11 ...
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Best way to stress test a website [duplicate]

... My suggestion is for you to do some automated tests first. Use selenium for it. Then deploy selenium grid to test in multiple computers at the same time. Although Selenium as an automated test tool will run quite fast, making a mini stress test. If you put the same aut...
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Is there any way to enforce typing on NSArray, NSMutableArray, etc.?

...ass in an array, only stick objects of that class in there. If you want to test that your code is behaving properly, test it. share | improve this answer | follow ...
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Compare equality between two objects in NUnit

... Override .Equals for your object and in the unit test you can then simply do this: Assert.AreEqual(LeftObject, RightObject); Of course, this might mean you just move all the individual comparisons to the .Equals method, but it would allow you to reuse that implementation...
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How to configure XAMPP to send mail from localhost?

... In XAMPP v3.2.1 for testing purposes you can see the emails that the XAMPP sends in XAMPP/mailoutput. In my case on Windows 8 this did not require any additional configuration and was a simple solution to testing email ...
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How should I unit test threaded code?

I have thus far avoided the nightmare that is testing multi-threaded code since it just seems like too much of a minefield. I'd like to ask how people have gone about testing code that relies on threads for successful execution, or just how people have gone about testing those kinds of issues that ...
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How to iterate through two lists in parallel?

...on. import timeit import matplotlib.pyplot as plt import numpy as np def test_zip( foo, bar ): store = [] for f, b in zip(foo, bar): #print(f, b) store.append( (f, b) ) def test_enumerate( foo, bar ): store = [] for n, f in enumerate( foo ): #print(f, bar[...
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Putting a simple if-then-else statement on one line [duplicate]

... or field_plural = None if field_plural is not None: print("insert into testtable(plural) '{0}'".format(field_plural)) share | improve this answer | follow ...